After the new technique was introduced,the factory produced in 2001 as the year before.
The new library ____ next week.
---Where’s Mabel? ---She _____ ping pong behind the teaching building.
Quite a few tall buildings _______ the last two years.
Man-made-satellites______ into space by many countries.
I _______ all the words on the black board. May I go home now? copy B. will coup C. copied D. have copied